如果化妝水含有此成份，對皮膚會有什麼影響

為何刺激度5卻可以安心使用>"

此為強堿配方，皂基成分，ph值約為9~10.對皮膚刺激性大

Potassium Hydroxide is a harmful ingredient that is found not just in skin care products but in everything from leather tanners and drain cleaners. Also known as lye, Potassium Hydroxide is extremely corrosive and can be found in soaps and shampoos to control the pH of the skin. The trouble is that Potassium Hydroxide is known to cause severe burns and pain in some cases as well as blindness should it get into the eyes.

Read more: http://www.articlesnatch.com/Article/Most-Harmful-Ingredients-In-Your-Skin-Care-Products/953729#ixzz1wFZO8r2y
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如果它是為了調整整體的酸鹼值, 最終產品的酸鹼值如果還是親膚的弱酸性, 那就沒有什麼關係了吧

這個成分加到兒童防曬霜裏會不會對皮膚有影響啊？天天悶在臉上幾個小時哎..

同上(dkwu123 )：如果它是為了調整整體的酸鹼值, 最終產品的酸鹼值如果還是親膚的弱酸性, 那就沒有什麼關係了吧

i remember that Krave beauty aha have this ingredient. That is why it makes my skin fell itchy

洗髮精加氫氧化鉀 洗了會不會禿頭?

氫氧化鉀是強鹼沒錯,但完全皂化後的成品中是不含KOH的,大家以前上化學課沒有學過嗎?氫氧化鈉(NaOH)也是一樣的道理,所以才說可以安心使用啊!!製作過程中沒有使用KOH跟NaOH的皂不能稱作液態皂或肥皂,多半只是活性介面劑,是假的肥皂啊!

剛用了含有Potassium Hydrate的洗面乳感覺還不錯，但確實盒上也標明避開眼周。另請問有人知道為何洗面乳建議用溫水洗嗎？謝謝